maishaaaa79 maishaaaa79
  • 22-01-2022
  • Mathematics
contestada


The mean of 6 numbers is 10.
Another number is added and the mean is now 11.
What number was added?

Respuesta :

BaldwinChen
BaldwinChen BaldwinChen
  • 22-01-2022

Answer:

17

Step-by-step explanation:

[tex]\frac{10 + 10 + 10 + 10 + 10 + 10 + x}{7} = 11 [/tex]

60 + x = 77

x = 77-60

x = 17

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